python2代码
#-*- coding:utf-8 -*-
import urllib2
from lxml import etree
class CrawlJs():
#定义函数,爬取对应的数据
def getArticle(self,url):
print '█████████████◣开始爬取数据'
my_headers = {
'User-Agent':'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.104 Safari/537.36',
}
request = urllib2.Request(url,headers=my_headers)
content = urllib2.urlopen(request).read()
return content
#定义函数,筛选和保存爬取到的数据
def save(self,content):
xml = etree.HTML(content)
title = xml.xpath('//*[@class="postTitle"]/a/text()')
link = xml.xpath('//*[@class="postTitle"]/a/@href')
print (title,link)
# print(zip(title,link))
# print(map(lambda x,y:[x,y], title,link))
for t,li in zip(title,link):
print(t+li)
with open('bokeyuan.txt','a+') as f:
f.write(t.encode('utf-8')+li+ '\n')
print '█████████████◣爬取完成!'
#定义主程序接口
if __name__ == '__main__':
page = int(raw_input('请输入你要抓取的页码总数:'))
for num in range(page):
#这里输入个人主页,
url = 'http://www.cnblogs.com/zhouxinfei/default.html?page=%s'%(num+1)
js = CrawlJs()
content = js.getArticle(url)
js.save(content)
python3代码
#-*- coding:utf-8 -*-
import urllib.request
from lxml import etree
class CrawlJs():
#定义函数,爬取对应的数据
def getArticle(self,url):
print ('█████████████◣开始爬取数据')
my_headers = {
'User-Agent':'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.104 Safari/537.36',
}
request = urllib.request.Request(url,headers=my_headers)
content = urllib.request.urlopen(request).read()
return content
#定义函数,筛选和保存爬取到的数据
def save(self,content):
xml = etree.HTML(content)
title = xml.xpath('//*[@class="postTitle"]/a/text()')
link = xml.xpath('//*[@class="postTitle"]/a/@href')
print (title,link)
# print(zip(title,link))
# print(map(lambda x,y:[x,y], title,link))
for t,li in zip(title,link):
print(t+li)
with open('bokeyuan.txt','a+') as f:
f.write(t+' '+li+ '\n')
print('█████████████◣爬取完成!')
#定义主程序接口
if __name__ == '__main__':
page = int(input('请输入你要抓取的页码总数:'))
for num in range(page):
#这里输入个人主页,
url = 'http://www.cnblogs.com/zhouxinfei/default.html?page=%s'%(num+1)
js = CrawlJs()
content = js.getArticle(url)
js.save(content)